Waterproof case



FIG. 1 is a top, back left-side perspective of my new design for a waterproof case in a joined configuration,

FIG. 2 is a right-side elevation thereof,

FIG. 3 is a left-side elevation thereof,

FIG. 4 is a back-side elevation thereof,

FIG. 5 is a front-side elevation thereof,

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines disclose unclaimed portions of the waterproof case, and form no part of the claimed design. 

CLAIM I claim the ornamental design for a waterproof case, as shown and described. 